CA2338069C - Shaft furnace - Google Patents
Shaft furnace Download PDFInfo
- Publication number
- CA2338069C CA2338069C CA002338069A CA2338069A CA2338069C CA 2338069 C CA2338069 C CA 2338069C CA 002338069 A CA002338069 A CA 002338069A CA 2338069 A CA2338069 A CA 2338069A CA 2338069 C CA2338069 C CA 2338069C
- Authority
- CA
- Canada
- Prior art keywords
- shaft furnace
- annular space
- gas
- cavity
- charge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000009467 reduction Effects 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 230000035508 accumulation Effects 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract description 11
- 239000011236 particulate material Substances 0.000 abstract description 11
- 239000011819 refractory material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/02—Internal forms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture Of Iron (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA1392/98 | 1998-08-13 | ||
| AT0139298A AT407192B (de) | 1998-08-13 | 1998-08-13 | Schachtofen |
| PCT/EP1999/004875 WO2000009765A1 (de) | 1998-08-13 | 1999-07-12 | Schachtofen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2338069A1 CA2338069A1 (en) | 2000-02-24 |
| CA2338069C true CA2338069C (en) | 2005-01-11 |
Family
ID=3512884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002338069A Expired - Fee Related CA2338069C (en) | 1998-08-13 | 1999-07-12 | Shaft furnace |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US6511629B1 (enExample) |
| EP (1) | EP1105542B1 (enExample) |
| JP (1) | JP4467796B2 (enExample) |
| KR (1) | KR100641466B1 (enExample) |
| CN (1) | CN1243835C (enExample) |
| AT (1) | AT407192B (enExample) |
| AU (1) | AU756280B2 (enExample) |
| BR (1) | BR9912796A (enExample) |
| CA (1) | CA2338069C (enExample) |
| CZ (1) | CZ299007B6 (enExample) |
| DE (1) | DE59908260D1 (enExample) |
| ID (1) | ID27806A (enExample) |
| MY (1) | MY123031A (enExample) |
| PL (1) | PL193740B1 (enExample) |
| RU (1) | RU2226552C2 (enExample) |
| SK (1) | SK286273B6 (enExample) |
| TR (1) | TR200100405T2 (enExample) |
| TW (1) | TW490490B (enExample) |
| UA (1) | UA60371C2 (enExample) |
| WO (1) | WO2000009765A1 (enExample) |
| ZA (1) | ZA200100679B (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT505490B1 (de) * | 2007-06-28 | 2009-12-15 | Siemens Vai Metals Tech Gmbh | Verfahren und vorrichtung zur erzeugung von eisenschwamm |
| US12084730B2 (en) | 2020-03-24 | 2024-09-10 | Midrex Technologies, Inc. | Methods and systems for increasing the carbon content of direct reduced iron in a reduction furnace |
| CN115058553B (zh) * | 2022-06-20 | 2023-11-03 | 水木明拓氢能源科技有限公司 | 适用于氢气直接还原铁反应的竖炉反应器及其应用 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE759927A (fr) * | 1969-12-10 | 1971-06-07 | Midland Ross Corp | Procede et appareil pour la reduction d'oxydes de fer dans une atmosphere gazeuse reductrice. |
| US4046557A (en) * | 1975-09-08 | 1977-09-06 | Midrex Corporation | Method for producing metallic iron particles |
| DE3422185A1 (de) * | 1984-06-12 | 1985-12-12 | Korf Engineering GmbH, 4000 Düsseldorf | Anordnung aus einem vergaser und direktreduktionsofen |
| AT382166B (de) * | 1985-05-13 | 1987-01-26 | Voest Alpine Ag | Verfahren zur direktreduktion von teilchenf¯rmigem eisenoxidhaeltigem material |
| US4725309A (en) * | 1986-03-17 | 1988-02-16 | Hylsa, S.A. | Method and apparatus for producing hot direct reduced iron |
| AT387037B (de) | 1987-06-15 | 1988-11-25 | Voest Alpine Ag | Schachtofen zur thermischen behandlung von einsatzstoffen mit gasfoermigen medien |
| US5702246A (en) * | 1996-02-22 | 1997-12-30 | Xera Technologies Ltd. | Shaft furnace for direct reduction of oxides |
| AT405332B (de) * | 1997-07-14 | 1999-07-26 | Voest Alpine Ind Anlagen | Schachtofen |
-
1998
- 1998-08-13 AT AT0139298A patent/AT407192B/de not_active IP Right Cessation
-
1999
- 1999-07-12 CN CNB998095990A patent/CN1243835C/zh not_active Expired - Lifetime
- 1999-07-12 JP JP2000565198A patent/JP4467796B2/ja not_active Expired - Fee Related
- 1999-07-12 CA CA002338069A patent/CA2338069C/en not_active Expired - Fee Related
- 1999-07-12 US US09/762,785 patent/US6511629B1/en not_active Expired - Fee Related
- 1999-07-12 WO PCT/EP1999/004875 patent/WO2000009765A1/de not_active Ceased
- 1999-07-12 TR TR2001/00405T patent/TR200100405T2/xx unknown
- 1999-07-12 DE DE59908260T patent/DE59908260D1/de not_active Expired - Lifetime
- 1999-07-12 PL PL99346054A patent/PL193740B1/pl not_active IP Right Cessation
- 1999-07-12 KR KR1020017001884A patent/KR100641466B1/ko not_active Expired - Fee Related
- 1999-07-12 AU AU50359/99A patent/AU756280B2/en not_active Ceased
- 1999-07-12 ID IDW20010320A patent/ID27806A/id unknown
- 1999-07-12 EP EP99934663A patent/EP1105542B1/de not_active Expired - Lifetime
- 1999-07-12 CZ CZ20010506A patent/CZ299007B6/cs not_active IP Right Cessation
- 1999-07-12 BR BR9912796-2A patent/BR9912796A/pt not_active IP Right Cessation
- 1999-07-12 RU RU2001107018/02A patent/RU2226552C2/ru not_active IP Right Cessation
- 1999-07-12 SK SK178-2001A patent/SK286273B6/sk not_active IP Right Cessation
- 1999-07-15 TW TW088112031A patent/TW490490B/zh not_active IP Right Cessation
- 1999-07-26 MY MYPI99003130A patent/MY123031A/en unknown
- 1999-12-07 UA UA2001031477A patent/UA60371C2/uk unknown
-
2001
- 2001-01-24 ZA ZA200100679A patent/ZA200100679B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP4467796B2 (ja) | 2010-05-26 |
| PL193740B1 (pl) | 2007-03-30 |
| SK1782001A3 (en) | 2001-10-08 |
| US6511629B1 (en) | 2003-01-28 |
| AU756280B2 (en) | 2003-01-09 |
| RU2226552C2 (ru) | 2004-04-10 |
| DE59908260D1 (de) | 2004-02-12 |
| CA2338069A1 (en) | 2000-02-24 |
| CZ2001506A3 (cs) | 2001-10-17 |
| CN1312861A (zh) | 2001-09-12 |
| CN1243835C (zh) | 2006-03-01 |
| CZ299007B6 (cs) | 2008-04-02 |
| ATA139298A (de) | 2000-05-15 |
| PL346054A1 (en) | 2002-01-14 |
| ZA200100679B (en) | 2002-03-27 |
| MY123031A (en) | 2006-05-31 |
| EP1105542A1 (de) | 2001-06-13 |
| AU5035999A (en) | 2000-03-06 |
| KR100641466B1 (ko) | 2006-10-31 |
| WO2000009765A1 (de) | 2000-02-24 |
| TR200100405T2 (tr) | 2001-07-23 |
| EP1105542B1 (de) | 2004-01-07 |
| TW490490B (en) | 2002-06-11 |
| UA60371C2 (uk) | 2003-10-15 |
| AT407192B (de) | 2001-01-25 |
| ID27806A (id) | 2001-04-26 |
| BR9912796A (pt) | 2001-05-02 |
| SK286273B6 (sk) | 2008-06-06 |
| JP2002522641A (ja) | 2002-07-23 |
| KR20010072469A (ko) | 2001-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20150713 |